Cement Board Siding Seams

Once painted it looks almost identical to wood.

Cement board siding seams.

Buckled fiber cement siding is most likely to occur because the installer failed to give the recommended gap between the ends of the fiber cement boards and abutting vertical trim at corners windows doors etc. A common problem with cement board siding products and some other types of horizontal lap siding is that older installation guidelines called for caulking the joint instead of flashing the joint. James hardie 8 25 in x 144 in hz10 hardieplank cedarmill fiber cement lap siding. Fiberboard cement siding looks identical to wood once it s painted.

7 inch wide smooth lap siding primed about 1 50 per square foot picking the right siding for your house is a delicate balancing act between good looks durability maintenance and affordability. Fiber cement siding accessories. This article series includes field reports of fiber cement board lap siding butt joint gap. Our siding close up photo at page top illustrates what may be another clue in the history of a failed installation.

For pricing and availability. Fiberglass cement siding is a composite made of portland cement silica and wood fiber. In this video i show you how to tape cement board joints. Typically billed as a low maintenance long lasting material does it measure up to its reputation.

For pricing and availability. Buckling fiber cement siding may also occur if the product was not properly nailed. We can see a hard dried layer of caulk that was a bit under 1 8 inch wide inside of the now wide open butt joint between two siding boards. This has proven problematic over time as caulking the joint results in unsightly surface appearances due to the different textures as well as resulted.

The siding on this gothic revival style home looks like wood clapboard but it s actually fiber cement painted a custom color. Here are the pros cons and costs of hardie board siding to see how it looks under scrutiny. When james hardie siding products butt into wood based materials a 1 8 gap will allow for expansion and contraction of the wood based product. When you want the classic look of wood siding coupled with lifetime durability fiberboard cement siding may well be your best choice.

It is a very simple process and i used some fibatape and thinset mortar to seal the cement board j. James hardie recommends the use of caulks and sealants that remain permanently flexible.